diff options
Diffstat (limited to 'src/datavisualization')
3 files changed, 31 insertions, 6 deletions
diff --git a/src/datavisualization/doc/snippets/doc_src_qtdatavisualization.cpp b/src/datavisualization/doc/snippets/doc_src_qtdatavisualization.cpp index 35d75fcb..6a336422 100644 --- a/src/datavisualization/doc/snippets/doc_src_qtdatavisualization.cpp +++ b/src/datavisualization/doc/snippets/doc_src_qtdatavisualization.cpp @@ -114,3 +114,17 @@ for (int i = 0; i < 10; i++) { newProxy->resetArray(dataArray); graph->addSeries(new QBar3DSeries(newProxy)); //! [10] + +//! [11] +Q3DBars graph; +QBar3DSeries *series = new QBar3DSeries; +QLinearGradient barGradient(0, 0, 1, 100); +barGradient.setColorAt(1.0, Qt::white); +barGradient.setColorAt(0.0, Qt::black); + +series->setBaseGradient(barGradient); +series->setColorStyle(Q3DTheme::ColorStyleObjectGradient); +series->setMesh(QAbstract3DSeries::MeshCylinder); + +graph->addSeries(series); +//! [11] diff --git a/src/datavisualization/doc/src/qtdatavisualization-index.qdoc b/src/datavisualization/doc/src/qtdatavisualization-index.qdoc index e09ef7dc..535a4018 100644 --- a/src/datavisualization/doc/src/qtdatavisualization-index.qdoc +++ b/src/datavisualization/doc/src/qtdatavisualization-index.qdoc @@ -62,8 +62,8 @@ \section1 Articles \list - \li \l{Qt Data Visualization Data Handling}{Data input} - \li \l{Qt Data Visualization Interacting with Data}{Interacting with visualized data} + \li \l{Qt Data Visualization Data Handling}{Data Handling} + \li \l{Qt Data Visualization Interacting with Data}{Interacting with Data} \endlist \section1 References diff --git a/src/datavisualization/doc/src/qtdatavisualization.qdoc b/src/datavisualization/doc/src/qtdatavisualization.qdoc index 7716fb4c..ddbbf04b 100644 --- a/src/datavisualization/doc/src/qtdatavisualization.qdoc +++ b/src/datavisualization/doc/src/qtdatavisualization.qdoc @@ -167,6 +167,19 @@ \page qtdatavisualization_data_handling.html \title Qt Data Visualization Data Handling + \section1 Series + + Series is combination of logically connected set of data items (handled by a data proxy) + and visual properties that describe how the data items should be rendered, such as item + meshes and colors. Each visualization type has its own series type. For example, bar graphs + use QBar3DSeries. Bar and scatter graphs can have multiple series added simultaneously. + Surface graphs support only a single series at a time. + + This code snippet shows how to use QBar3DSeries to render bars as cylinders and with a + gradient instead of a uniform color: + + \snippet doc_src_qtdatavisualization.cpp 11 + \section1 Data proxies The data that users wish to visualize comes in many formats, all of which cannot obviously be @@ -175,9 +188,9 @@ which takes data in a format suitable for that visualization. For example, the basic proxy for QBar3DSeries is QBarDataProxy, which stores rows of QBarDataItem objects. Each QBarDataItem stores a single bar value. Additional typedefs are provided for - QBarDataArray and QBarDataRow containers. + \c QBarDataArray and \c QBarDataRow containers. - This code snipped shows how to use basic proxy when your data is stored in some hypothetical + This code snippet shows how to use basic proxy when your data is stored in some hypothetical \c myData object: \snippet doc_src_qtdatavisualization.cpp 10 @@ -244,8 +257,6 @@ For the best performance with the scatter and surface graphs, only keep the data you need in the proxy. - - \note Data handling is not yet fully optimized in the technology preview version. */ /*! |